saml: adapt common.add_federation to new LibertyFederation model
saml: adapt common.add_federation to new LibertyFederation model

adieu/authentic2,adieu/authentic2,BryceLohr/authentic,adieu/authentic2,adieu/authentic2,BryceLohr/authentic,BryceLohr/authentic,pu239ppy/authentic2,pu239ppy/authentic2,pu239ppy/authentic2,pu239ppy/authentic2,BryceLohr/authentic